MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What does the second law of Mendel state? |
| A. | Factors occur in pairs |
| B. | The alleles separate during meiosis and pair up during fertilization |
| C. | One factor is dominant over the other |
| D. | Factors determine the characters of the offsprings |
| Answer» C. One factor is dominant over the other | |
| 2. |
Which law explains the expression of the dominant phenotype in the F2 progeny? |
| A. | Law of Recessivity |
| B. | Law of Dominance |
| C. | Law of Segregation |
| D. | Law of Independent Assortment |
| Answer» C. Law of Segregation | |
| 3. |
Which law explains the expression of the dominant phenotype in the F1 progeny? |
| A. | Law of Recessivity |
| B. | Law of Dominance |
| C. | Law of Segregation |
| D. | Law of Independent Assortment |
| Answer» C. Law of Segregation | |
| 4. |
Which of the following is not a law postulated by Mendel? |
| A. | Law of Recessivity |
| B. | Law of Dominance |
| C. | Law of Segregation |
| D. | Law of Independent Assortment |
| Answer» B. Law of Dominance | |
| 5. |
What is the second law of Mendel called? |
| A. | Law of Recessivity |
| B. | Law of Dominance |
| C. | Law of Segregation |
| D. | Law of Independent Assortment |
| Answer» D. Law of Independent Assortment | |
| 6. |
What is the first law of Mendel termed as? |
| A. | Law of Recessivity |
| B. | Law of Dominance |
| C. | Law of Segregation |
| D. | Law of Independent Assortment |
| Answer» C. Law of Segregation | |
| 7. |
What are the rules postulated by Mendel based on his studies of inheritance in pea plants called? |
| A. | Principles of Inheritance |
| B. | Rules of Inheritance |
| C. | Principles of Heredity |
| D. | Rules of Heredity |
| Answer» B. Rules of Inheritance | |
| 8. |
Mendel proposed three laws of inheritance based on his studies involving monohybrid crosses in pea plants. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
What is the genotype of a plant showing a dominant phenotype of violet flowers if it is test crossed and produces both violet-flowered and white-flowered plants? |
| A. | VV |
| B. | Vv |
| C. | vv |
| D. | v |
| Answer» C. vv | |
| 10. |
What is the genotype of a plant showing a dominant phenotype of violet flowers if it is test crossed and produces only violet-flowered plants? |
| A. | VV |
| B. | Vv |
| C. | vv |
| D. | v |
| Answer» B. Vv | |
| 11. |
What method can be used to check the genotypic composition experimentally of the F2 tall plant? |
| A. | Test cross |
| B. | Self cross |
| C. | Check cross |
| D. | Exam cross |
| Answer» B. Self cross | |
| 12. |
Self-crossing of dwarf plants from F2 generation will produce _____ |
| A. | 100% tall and 0% dwarf plants |
| B. | 0% tall and 100% dwarf plants |
| C. | 50% tall and 50% dwarf plants |
| D. | 25% tall and 75% dwarf plants |
| Answer» C. 50% tall and 50% dwarf plants | |
| 13. |
Which mathematical expression can be used to obtain the genotypic ratio of F2 offsprings from the gametes of the F1 progeny? |
| A. | Monomial expression |
| B. | Binomial expression |
| C. | Trinomial expression |
| D. | Algebraic expression |
| Answer» C. Trinomial expression | |
| 14. |
What filial generation exhibits a genotypic ratio of 1:2:1? |
| A. | F0 |
| B. | F1 |
| C. | F2 |
| D. | F3 |
| Answer» C. F2 | |